<div class="col-sm-10 col-md-9 col-lg-7">
    <form class="form-horizontal" role="form" action="__SELF__" method="POST">
        <div class="form-group">
            <label for="username">新登录名</label>
            <input type="text" class="form-control" id="username" name="username" value="">
        </div>
        <input name="type" value="username" hidden="hidden">
        <button type="submit" class="btn btn-default">提交</button>
    </form>
</div>